Advertisements
Advertisements
Question
Draw a neat and labelled diagram of Root hair.
Advertisements
Solution

APPEARS IN
RELATED QUESTIONS
State whether the following statement is true or false. Rewrite the false statement correctly.
Water absorption mainly occurs through the root-hair.
Study the diagram given below and answer the questions that follow:
- Name the process being studied in the above experiment.
- Explain the process mentioned in (a) above
- Why is oil placed over water?
- What do we observe with regard to the level of water when this set-up is placed in (1) bright sunlight, (2) humid conditions and (3) windy days?
- Mention any three adaptations found in plants to foster the process mentioned in (a) above
Study the experimental setup in the figure and then answer the question that follow.

Explain the phenomenon mention in question 8.1 .
A thin strip of epidermal cells from the fleshy scales of an onion bulb was examined in a drop of water, under a microscope. All the epidermal cells looked alike and the figure alongside represents one of them. The thin strip was then transferred to a drop of strong sugar solution and re-examined under the microscope after about five minutes.

(i) Make a sketch of one of the epidermal cells, as it might appear after immersion in a strong sugar solution. Label any two parts which have undergone a change.
(ii) Give the scientific term for the change shown in Q.(i) above.
(iii) What would you do to bring this cell back to its original condition?
(iv) Give the scientific term used for the recovery of the cell as a result of the step taken in Q.(iii) above.
Multiple Choice Question:
Water will be absorbed by the root hairs when:
Most plant cells and tissues constitutes _____ % water.
Plasma Membrane is ______.
Define: Root hair
Which of the following are the components of cell wall of root hair?
Look at Figure. Draw another figure of the same set-up as would be observed after a few hours.

